Hans bittinger



(No Model.)

H. BITTINGER.

l TRANSPQRTBR POR FLAT ,SIBVEMS No. 512,796.

THE mmoNAL LlmosnAFHlNa coMPANY. wAsHlNsroN. uA c.

PatentedzlJa-n. 16, 1894.

UNITED STATES PATENT OFFICE.

HANS BITTINGER, OF DARMSTADT, GERMANY.

'TRANSPORTER FOR FLAT SIEVES.

SPECIFICATION forming part of' Letters Patent No. 512,796, dated January 16, 1894. Application filed March l, 1893- Serial Nd. 464,289. (No model.)

To @ZZ whom it may concern.-

Be it known that I, HANS BITTINGER, a subject of the Grand Duke of Hesse, and a resident of Darmstadt, in the Grand Duchy of Hesse, German Empire, have invented a certain new and useful Transporter for Flat Sieves, of which the following is an exact specification. y

My invention relates to transporters for flat sieves and restsupon the observation, that horizontal or inclined sieves transport much more quickly, if a cover lies loosely upon the sifting product or stock, sliding over the sieve, in such a manner, that itis raised at the pushing forward of the sieve, thus freeingr the sifting product, while it falls back on the latter at the going backward of the sieve, thereby preventing the sifting-product from the backward movement. J

I will now proceed to describe my invention with reference to the accompanying sheet of drawings, in which- Figures l, 2, and 3 show longitudinal sections of sieves with the transporter lying thereupon. Figs. la, 2i, and 3a show longitudinal sections of sieves with the raised transporter. Figs. 1b, 2b, and 3" show transverse sections of these sieves.

Similar letters indicate similar parts throughout the diferent views.

A designates the complete sieving-apparatus, which is brought into a rotary orshak-` ing motion by means of eccentrics or crankpins and in which the transporters B are ar- Figs. 2, 2a Yand 2b show the transporter hinged in joints C which may be replaced by chains or straps.

Figs. 3, 3a and 3b show the transporter hanging in springs C, attached to the upper-side, as shown in Fig. 3, or to the under-side of the transporter, so that the latter hangs or stands in springs.

If the sieve is moved in the'running-off direction, the sifting-product as well as the transporter moves in this direction by the rec`eived push. The transporteris raised at the synchronous going forward by means of its pins,joints or springs and the sifting-product may pass below the transporter in consequence of the m's martire. At the backwardmotion of the sieve the transporter falls quickly back on the shifting-product on account of its gravity and of the push imparted by the backward movement, thus shutting and. preventing the sifting-product from going backward. Several of these sieves may be connected below or beside one another to a common sifting-apparatus.

Having thus fully described the nature of my invention, what I desire to secure by Letters Patent of the United States is- In a sifting-machine with shaking or oscillatory motion, the combination with the movable frame A holding the sieve, of a ytransporter B normally pressing on the material resting on the sieve, and loose guiding con- HANS BITTINGER.

Witnesses:

R. HERPICH, E. SOHULTZE. 

